#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(int argc,char* argv[])
{   
    int befor=0,later=1;
    for(int i=0;i<9;i++){
        befor=(later+1)*2;
        later=befor;
        printf("第%d天还剩%d个桃子\n",9-i,befor);
    }
    return 0;
}